# #fb523c

A color — warm, vivid, playful, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#fb523c`
- RGB: rgb(251, 82, 60)
- HSL: hsl(7, 96%, 61%)
- OKLCH: oklch(0.669 0.209 30.6)
- Relative luminance: 0.2687
- Nearest named color: Angry Flamingo (#f04e45, Δ 2.557) — https://brandsweets.com/colors/angry-flamingo
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/fb523c

## Tints & shades

- Tints (toward white): #fb6450, #fc715f, #fc8373, #fd9587, #fda69b, #fdb4aa, #fec5be, #fed7d2, #fee4e1, #fff6f5
- Shades (toward black): #fa381e, #fa2205, #dc1e04, #be1a04, #a51603, #871203, #690e02, #4b0a02, #320701, #140300

## Harmonies

- Complementary: #3ce5fb
- Analogous: #fb3c85, #fbb23c
- Triadic: #3cfb52, #523cfb
- Split-complementary: #3cfbb2, #3c85fb
- Tetradic: #85fb3c, #3ce5fb, #b23cfb

## Colors that go with #fb523c

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #fb523c: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Tumblr (https://brandsweets.com/colors/brands/tumblr-com), HubSpot (https://brandsweets.com/colors/brands/hubspot-com), Audi (https://brandsweets.com/colors/brands/audi-com), Harbour (https://brandsweets.com/palettes/cool#harbour). — https://brandsweets.com/colors/charcoal
- **Cadet Blue** #5f9ea0 [harmony, pool: complementary] — Cadet Blue sits directly opposite #fb523c on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Alpine (https://brandsweets.com/palettes/cool#alpine), Diner (https://brandsweets.com/palettes/vivid#diner), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/cadetblue
- **Amber** #ffbf00 [pool] — Amber is paired with #fb523c in 7 real palettes, including Heatwave and Ember, as the supporting colour. Seen in: Heatwave (https://brandsweets.com/palettes/warm#heatwave), Ember (https://brandsweets.com/palettes/bold#ember), Google (https://brandsweets.com/colors/brands/google-com), Maple (https://brandsweets.com/palettes/warm#maple). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 7 real palettes, including Monzo's brand system and Readymag's brand system put Blue beside #fb523c, as the accent. Seen in: Monzo (https://brandsweets.com/colors/brands/monzo-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Glossier (https://brandsweets.com/colors/brands/glossier-com), Doordash (https://brandsweets.com/colors/brands/doordash-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #fb523c: 4 real palettes, including Tide's brand system and NASA's brand system, as the lead colour. Seen in: Tide (https://brandsweets.com/colors/brands/tide-com), NASA (https://brandsweets.com/colors/brands/nasa-gov), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Cobalt Pop (https://brandsweets.com/palettes/bold#cobalt-pop). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #fb523c in 8 real palettes, including Pizza Hut's brand system and Wise's brand system, as the supporting colour. Seen in: Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com), Wise (https://brandsweets.com/colors/brands/wise-com), Snyk (https://brandsweets.com/colors/brands/snyk-io), Redfin (https://brandsweets.com/colors/brands/redfin-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #fb523c: 15 real palettes, including Strava's brand system and Soundcloud's brand system, as the accent. Seen in: Strava (https://brandsweets.com/colors/brands/strava-com), Soundcloud (https://brandsweets.com/colors/brands/soundcloud-com), PlanetScale (https://brandsweets.com/colors/brands/planetscale-com), Etsy (https://brandsweets.com/colors/brands/etsy-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #fb523c: 8 real palettes, including Figma's brand system and Heatwave, as the accent. Seen in: Figma (https://brandsweets.com/colors/brands/figma), Heatwave (https://brandsweets.com/palettes/warm#heatwave), Readymag (https://brandsweets.com/colors/brands/readymag-com), Databricks (https://brandsweets.com/colors/brands/databricks-com). — https://brandsweets.com/colors/dodgerblue

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 3.29:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e61f05 (4.6:1); AA: background → #262626 (4.59:1); AAA: text → #af1804 (7.11:1)
- On black (#000000): 6.37:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #fb6450 (7.04:1)

## Brands using this color

- **Monzo** — secondary #ff4f40 (Δ 0.943) — https://brandsweets.com/colors/brands/monzo-com
- **Tumblr** — accent #ff4930 (Δ 1.37) — https://brandsweets.com/colors/brands/tumblr-com

## Fonts for this mood

- warm: https://brandsweets.com/fonts/mood/warm
- playful: https://brandsweets.com/fonts/mood/playful
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/fb523c-c4a59c-62cba4-2d271f-f1e9ec?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#fb523c" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.